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Hardware Audio Engineer

Hardware Audio Engineer

Job ID 
Posted Date 
A2Z Development Center, Inc.
Recruiting Team 

Job Description

Amazon Lab126 is an inventive research and development company that designs and engineers high-profile consumer electronics. Lab126 began in 2004 as a subsidiary of, Inc., originally creating the best-selling Kindle family of products. Since then, we have produced groundbreaking devices like Fire tablets, Fire TV and Amazon Echo. What will you help us create?

The Role:
As a Audio Engineer, you will be a part of a highly motivated and talented audio team on a mission to bringing the most innovative smart audio products to customers- from initial product concepts, prototyping, demonstration and manufacturing. This role is a big part of creating the best music listening and voice interaction experience to all customers of Amazon devices. In particular, you will:
  • Design innovative speaker and microphone array systems using state of art engineering tools and techniques
  • Collaborate with research scientists and software engineers to tune and optimize audio signal processing algorithms for music and speech processing
  • Design and source transducers, amplifiers, codecs and other sub-components for the system wide optimization
  • Follow through manufacturing process to ensure the highest build quality
  • Test and validate hardware/software quality issues pre and post production
  • Develop modeling and automated test tools
  • Lead design reviews and cross-functional meetings
  • Requires travel 10-20% of the time domestically and internationally

Basic Qualifications

  • Bachelor’s degree in Acoustics, Physics, EE, ME or related field
  • 5+ years of relevant experience in audio product development especially in high volume consumer electronics
  • Experienced with lumped acoustic modeling with commercial package or custom software
  • Knowledge of audio digital signal processing fundamentals - sampling, bit resolution, spectral analysis, transfer function calculations, filtering and convolution
  • Familiarity with analog filter and power amp design
  • Experienced with running FEM model of transducer or room acoustics using Comsol, Actran or similar packages
  • Experienced with writing Matlab or Python scripts for acoustic testing and data analysis
  • Experienced with acoustic measurement instruments - free field microphones, binaural manikins, mouth simulators etc.
  • Experienced with audio data acquisition and analysis systems such as Lab View, Audio Precision, SoundCheck etc.
  • Experienced in CAD in NX , SolidWorks or similar
  • Understanding of analog/digital MEMS microphone specs - SNR, AOP, sensitivity etc

Preferred Qualifications

  • Master's or PhD in the relevant field
  • Track record of inventing new acoustic design for speakers, headphones or microphone array applications
Lab126 is part of the, Inc. group of companies and is an Equal Opportunity-Affirmative Action Employer – Minority / Female / Disability / Veteran / Gender Identity / Sexual Orientation.